Texas TEKS K.10
TEKS Knowledge Statement (Expectation Cluster)
Earth and space. The student knows that the natural world includes earth materials and systems that can be observed. The student is expected to:
Texas Essential Knowledge and Skills for Science
Cluster contents
Student Expectations in This Statement
K.10 is a TEKS knowledge and skills statement. These are the student expectations under it.
- K.10.A
describe and classify rocks by the observable properties of size, shape, color, and texture
- K.10.B
observe and describe weather changes from day to day and over seasons
- K.10.C
identify evidence that supports the idea that air is all around us and demonstrate that wind is moving air using items such as a windsock, pinwheel, or ribbon.
Teacher's field guide
What This Cluster Means
What Students Need to Do
- Students observe rocks and sort them by size, shape, color, and texture. They compare weather across days and seasons. They use simple objects to show that air is present and wind is moving air.
What Mastery Looks Like
- A student can sort the same rocks in different ways and name the property used. They can describe changes shown on a weather calendar. They can use a ribbon or pinwheel and explain that moving air caused its motion.
Common Misconceptions
- Students may confuse shape with texture or think rocks can fit only one group. They may treat one cold or rainy day as proof of a season. They may think air exists only when wind is blowing or that a pinwheel creates wind.
How to Assess It
- Give each student two rocks, two weather pictures, and a ribbon. Ask them to compare the rocks, describe the weather change, and move the ribbon using air.
Lesson moves
Ways to Teach It
Set out rocks and sorting hoops; students sort by color, then regroup the same rocks by texture, size, or shape.
Compare photos of the same playground in summer and winter, then ask, "What weather clues show that the season changed?"
Play Air Detective by testing a fan, a hand wave, and a breath with ribbons, then naming what moved the air.
Use a weekly forecast to choose a coat, umbrella, or sun hat for each day and explain each choice.
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Printable K.10 Worksheet

A ready-to-print activity worksheet aligned to K.10, with an answer key for the teacher on its own page. No account needed.
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Related Standards
- 1.10
Earth and space. The student knows that the natural world includes earth materials that can be observed in systems and processes. The student is expected to:
- 2.9
Earth and space. The student knows that there are recognizable patterns in the natural world and among objects in the sky. The student is expected to:
- K.9
Earth and space. The student knows that there are recognizable patterns in the natural world and among objects in the sky. The student is expected to:
- 2.10
Earth and space. The student knows that the natural world includes earth materials that can be observed in systems and processes. The student is expected to:
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